Finding the Fourth Proportional to 4,180,190.40, 6,268,730.40 and 1,655,323.20
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Solution
The fourth proportional to 4,180,190.40, 6,268,730.40 and 1,655,323.20 is: 2,482,368.95
Step by Step Solution
- Step 1: Write the proportion equation
4,180,190.40 : 6,268,730.40 = 1,655,323.20 : x - Step 2: Convert to fraction form
4,180,190.40/6,268,730.40 = 1,655,323.20/x - Step 3: Cross multiply
4,180,190.40x = 6,268,730.40 × 1,655,323.20 - Step 4: Simplify right side
4,180,190.40x = 10,376,774,865,665.28 - Step 5: Solve for x
x = 10,376,774,865,665.28/4,180,190.40 - Step 6: Final answer
x = 2,482,368.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.